Graphic: America's ears are burning

Map of the U.S. showing drought and below-average rainfall totals, which have adversely affected agriculture, especially corn; includes charts showing corn, soybean and live cattle futures.

Map of the U.S. showing drought and below-average rainfall totals, which have adversely affected agriculture, especially corn; includes charts showing corn, soybean and live cattle futures. (Chicago Tribune 2012)

Map of the U.S. showing drought and below-average rainfall totals, which have adversely affected agriculture, especially corn; includes charts showing corn, soybean and live cattle futures.Chicago Tribune 2012